A Virginia-class submarine with the Virginia Payload Module displaces about 10,200 tons of water when submerged. Archimedes' principle explains how ballast tanks, compressed air, trim systems, and careful engineering let massive steel vessels control buoyancy.
Explainers Physics & EngineeringFrom WNBA players negotiating 20% revenue shares to Black women agents founding their own firms, athletes are replacing traditional representation with direct ownership. The 17-month CBA fight proved collective action works.
Ethics & Accountability OpinionSpaceX's IPO filing lists Antonio Gracias as beneficial owner of 7.3% of Class A shares through Valor Equity Partners entities. Business Insider calculates that stake at roughly $91.6 billion under a $1.5 trillion valuation.
Artificial Intelligence ExplainersVapor compression cooling powers over 80% of modern cooling systems by forcing heat to flow against its natural direction. The four-step cycle exploits pressure changes in a refrigerant to extract warmth from cold spaces and dump it outside, with efficiency limited by the laws of thermodynamics.
Explainers Physics & EngineeringVincent D'Onofrio gained nearly 70 pounds for Full Metal Jacket and suffered a knee injury during filming. His career, marked by physical transformation and long-running character work, shows what can happen when an actor takes the Method seriously enough to make it work.
Culture Film & TVThe DP World Tour is scheduled to run at least 42 Race to Dubai tournaments across 25 countries with a record $157.5 million prize fund. Behind the schedule sit DP World's logistics partnership, Amazon Leo satellite connectivity plan, and AWS cloud infrastructure.
News & Analysis Tech & AI PolicySome 3,500 species produce cold light through luciferin-luciferase chemistry, a trick that has evolved independently more than 50 times. In the deep sea, an estimated 75% of creatures possess some form of light production, using it for camouflage, communication, and hunting.
Explainers Science & MedicineIn 2004, Pew found that 21% of Americans ages 18 to 29 regularly got campaign news from comedy shows. Two decades later, social and video platforms have overtaken TV news in Reuters Institute's U.S. data, and late-night political comedy is under pressure.
Culture Media TrendsThe Big 12's private capital deal with RedBird and Weatherford offers schools $30 million credit lines at nearly 10% interest, but at least 13 of 16 schools have declined. SEC and Big Ten football spending rose 220.7% from 2008 to 2023, versus 95.8% among Group of 5 schools, so borrowed capital is a tourniquet, not a cure.
Opinion Policy & GovernanceFederal courts have rejected DOJ demands for unredacted voter data in several states, but the pressure campaign continues. Half of chief local election officials in Western states have left since 2020, and David Becker says any potential federal crimes connected to the 2020 election are beyond the statute of limitations.
News & Analysis US Domestic PoliticsAt 8,400 meters on Everest, hemoglobin saturation drops to 50% and climbers rely on hyperventilating at five times the normal rate. Underwater, all divers breathing air are impaired between 60 and 70 meters. The same pressure physics governs both extremes.
Explainers Physics & EngineeringSoap molecules have split personalities: one end loves water, the other loves oil. This dual nature lets them wedge into enveloped viral membranes, pry them apart, and trap debris in molecular cages called micelles. Triclosan-style antibacterial additives did not add demonstrated skin-sanitizing benefit.
Explainers Science & Medicine
